Electro-Voice TXA TA4 to XLR Microphone Adapter

The TXA takes any TA4F-terminated Electro-Voice lavalier or headworn microphone and puts it on a normal XLR line, powered by the console's phantom rather than a bodypack transmitter. That means the same capsule you use on wireless can be patched into a wired channel and sound the same, which matters when a room has a fixed lectern or a camera position that does not need RF.

Two switches sit on the body. The -10 dB pad is for powerful vocals on a headworn mic and for close-miking loud sources like drums; leave it at 0 dB for lavaliers. The selectable high-pass filter rolls off at -6 dB at 100 Hz to clear out stage rumble and handling noise. Input is TA4M, output is male XLR, and a belt clip is optional.

Type	TA4 to XLR microphone adapter
Frequency response	20 Hz - 20 kHz
Distortion (THD, 1 kHz)	Less than 1% at -4.8 dBV (less than 1% at 4.7 dBV with -10 dB pad engaged)
Low-frequency roll-off	-6 dB at 100 Hz, switchable
Attenuation	0 or -10 dB at 1000 Hz, switchable
Power requirements	9 - 52 V phantom power
Connectors	Input TA4M; output XLR male
TA4M pinout	Pin 1 ground, pin 2 microphone signal, pin 3 +5 V DC bias, pin 4 not connected
Maximum microphone current	2.0 mA